ALB and central nervous system cancer: In gliomas, neutrophil-to-lymphocyte ratio (NLR) (Han et al., 2015; Lopes et al., 2018), platelet-to-lymphocyte ratio (PLR) (Han et al., 2015), fibrinogen, albumin-to-globulin ratio (AGR) (Xu W. Z. et al., 2017), and prognostic nutrition index (PNI) (He Z. Q. et al., 2017; Xu W. Z. et al., 2017) have been identified as prognostic markers.